Coin-controlled pump.



I Y /f'z n APPLICATION FILED NOV. 2,1915- /9 4f 'e /4 527A" l 0.0.BEDDEN- COIN CONTROLLED PUMP.

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Patent-ed June 20, 1916.

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o. D. REDDEIN. COIN CONTHOLLED PUIMP. APPLICATION FILED NOV. 2| |915.

1 ,1 88,322. Patented June 20, 1916.

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0. D. REDDEN.

COIN CONTROLLED PUMP. APPLICATION FILED N OV. 2.1915.

Patented June 20, 1916.

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OSCAR D. REDDEN, 0F LEROY, lTEXAS.l

COIN-CONTROLLED PUMP.

Specification of Letters Patent. Patented June 20, 1916.

Application 1ed November 2, 1915. Serial No. 59,226.

` The object of the invention is to provide .a pumping device which will be normally locked but which upon the insertion of a suitable coin or check may be unlocked and the pump operated until a predetermined amount of liquid has been made accessible to the customer, with means for automatic ally relooking the device when the customer ceases to draw upon the supply available to him, and to permit the draining back into the original source of supply any surplus liquid not taken by the customer.

With these objectsv in view the invention consists of the novel features of construction hereinafter described, ,pointed out in.

the claims and shown in the accompanying drawings, in which: l

Figure 1 is a side elevation, parts being broken away, and in'section. Fig. 2 is a similar view from the opposite side, the parts being in different position. Fig. 3 is a perspective view of the coin controlled mechanism, a casing being removed. Fig. 4 is a transverse section on the line 4 4 of Fig. 1. Figs. 5 and 6 are detail sectional views illustrating coin openings in a shaft. In these drawings 1 represents a suitable ,casing placed over or above any' suitable .source of supply such as atank or reservoir, and a supply pipe 2 leads from said source of supply, not shown, and' upwardly into the casing 1 where it is provided with a suitable check valve 3, and a union 4. From said union said supply pipe continues and opensfinto the working barrel 5 of a suitable'pump provided with a piston 6. 'From the union 4 there leads a delivery pipe 7 which passes outwardly through a side of the casing 1 where it terminates in a valve faucet 8 suitably threaded to receive the end of a hose section. The said pipe 7 has also a branch 9 which passes through the casing and carries a spigot 10 from which liquid' can be discharged conveniently into a can or bucket. It will of course be understood that the "use of the device is not limited to the particular liquid named, as the same mechanism can be employed for the delivery of any liquid adapted to be pumped.

Mounted upon the top of the casing 1 is a second casing 11 which incloses the coin controlled mechanism by means of which the I pump is locked and unlocked.` lThis mechanism is shown most clearly in Fig. 3.

Mounted upon a suitable base 12 which may also be the top of the casing 1 is a bracket 13 in which is journaled a shaft 14. Said shaft projects through the casing 11 and at its outer end carries an operating handle 15. Within the bracket 13 the shaft is p'rovided with two longitudinal slots 16 and 17, the slot 16 being slightly smaller than the slot 17 and not extending entirely through the shaft, but being in effect a deep groove. The slot 17 however, extends entirely through the shaft and each of said slots is normally in vertical alinement, respectively with coin chutes 16a and 17a.

, The coin chute 16a is intended to receive al shaft until the shaft has been rotated a' sui'icient distance to bring the slot into position 'to receive the coin, and as soon as a coin has dropped into proper position in the shaft it will clear the chute.

Fixed on the shaft 14 is a double ratchet wheel 18 and a gear wheel 19. Above the shaft 14 is mounted a rock shaft 20 one end of which is journaled in one side of the bracket 13 and the other endiis mounted in a supplemental bracket 21 and'is provided with a crank portion 22, which portion carries a pin 23 to which is attached a coil spring 24 the upper end of which is secured to the top of the bracket 13, said spring holding the rock shaft against improper rotation as will hereafter appear. Mounted on the rock shaft is a double pawl 25 vwhich cooperates with the double ratchet 18, and it will be clear that when one member'of this pawl is in engagement with one member of the ratchet wheel it will be heldin engagement by the pull of the spring 24 on the crank portion 22. And if the shaft 20 is rocke so as to throw7 the other pawl member toward the ratchet wheel the spring 24 will aid in such rocking movement as soon as the crank portion 22 passes center, and the spring 24 will then hold the other awl member in engagement. It will also be clear that there can be no reversal in rotation of the shaft 14 without first rocking the shaft. 20 so as to shift the pawl members, and normally there is no connection between the two shafts.

The shaft 20 has also fixed upon it a tripping finger 26 which extends downwardly into a position adjacent that part of the shaft 14 having the groove or slot 16 and if a coin or check is in said groove or slot it will strike said finger 26 upon rotation of lthe shaft 14 thereby rocking the shaft 20 sufliciently to carry the crank portion 22 past center and the pull of the spring 24 will complete the movement and shift the pawl, thereby permitting shaft 14 to freely turn in the opposite direction. For clearness of description the direction of rotation of the shaft to trip finger 26 by means of the coin will be termedY a backward rotation of the handle 15. In "Fig 3 I have/shown the coin in position, with the tripping action just completed, and the parts in position to per- I 45 mit what will be termed backward or pumping rotation of the handle 15. A finger 27 is also fixed on shaft 20 to be engaged by the coin or check dropping into the slot 17.

It will now be noted that the piston 6 is provided with -a plunger rod 28 which rod is i in the form of a toothed bar and is in mesh with the gear wheel 19I on shaft 14 normally the piston is at the end of its downstroke and the `pawl '25' is insuch engagement with the double ratchet that the shaft 14 cannot be rotated so as to lift said plunger, but' whenthe pawl has been shifted by means of a coin'sothat the awl occupies .the position shown in the l rawing backward rotation of the handle. 15 is permitted and said rotatlon causes the gear 19 to move the plunger rod upwardlythereby lifting the piston.

and drawing a supply of liquid into the working barrel. The check valve 3 prevents its return to thesource of supply but in order vto deliver it to the customer it is necessary that there be' a downward movement of the piston, and consequently a reversal of \\`\dir,ection of rotation of the shaft 14 is necessary. It will also be obvious that the amount delivered will depend upon the amount pumped up and subsequently expelledi and?y this in turn depends upon the movement ofthe plunger rod 28.

0n the base 12 is a bracket 29 in which is mounted a lever 30 provided with a suitable counter-weight 31.. A rod 32 is mounted upon one end of the lever and is provided. adjacent the shaft 20 with a suitable button 33. The finger 27 is provided with a claw-portion 34 that straddles 'the rod 32. A vrod 35 is also loosely connected at one end to an extension of the finger 27., the upper end of the rod being journaled in a small bracket 36./v The rod 35 carries v,a rotatable stop 37 within the bracket 13 and has at is upper end a laterally extending stop 38. The stop 37 is loosely connected to the rod 32 by means of any suitable form of strap or link 39. Carried by the upper end of the plunger rod -28 is a hinged shoe 40.

When the finger 26 is tripped by a coin the handle 15 can be turned backward as pre viously explained and the plunger rod 28 is moved upwardly by the gear 19 until the shoe 40 strikes the stop 37 thereby lifting the rod 35 and rocking the finger 27 and the p shaft 20 in the direction opposite, to which it was rocked when the coin engaged the finger 26. This action reverses the action of the pawl 25 and no .further rotation of the shaft 14 in the backward-direction is possible. The coin in the meantime has fallen from the groove 16 and has entered a suitable coin receptacle 41. The customer now lturns the handle forward and the downward movement of the plunger rod and piston forces the-liquid from the working barrel out through the delivery pipe 7.

If the larger quantity is desired and the coin or check is deposited ,in the chute 17a the coin will enter the slot 17 and on backward turn of the handle Will strike the finger 27 thereby rocking vshaft 20 and throwingthe parts into position shown'in Fig. 3,l and the coin will then strike the inner short end of the lever 30 depressing the same and lifting the rod 32, this movement being aidedby the counter-weight 31. The upward moveizo thereby rocking the trippingv finger 27 and producing the same result as if the stop 37 had been struck. It'will be noted however,

that when the stop 37 is engaged the clawy member 34 simply swings idly along the rod 32, but when said rod is lifted to draw A button and will return the rod 32 to its normal position, returning to normal position also the lever 30 and the stop 37,- but as the shoe 40 is hinged it can pass the stop '37 on the downward movement.

The above explains fully the construction and operation of the coin controlled parts of the device. But in order to drain back to theresexrygirany liquid .which might remain in the working valve through failure of the purchaser to draw off the full amount to which he was entitled I provide a drain pipe 42. This is provided with a suitable valve 43 so as to close said drain while the customer is using the pump. yTo the handle 44 of the valve is connected an operating rod 45 the upper end of which is connected to a post 46 which post carries a suitable hanger 47 that extends out through the casing l1 and a spring 48 will tend to lift the post 46 thereby pulling the rod 45 up and closing the valve 43. p

I have already'referred to the use of a hose in connection with the faucet 8. A hose section 49 has one end secured to said faucet and when the device is not in use the hose is hung on the hanger 47, and the weight of the same forces the hanger downwardly and brings the valve into open position, and the customer is directed to remove the hose from said hanger when using the device and to replace it when through, and the hose is therefore taken down even ifl the liquid is drawn out through the spigot 10. Should the customer fail to follow instructions the device will still operate and the only result of failure to remove the hose from the hanger would be the draining back of a small portion of the liquid which the customer would otherwise obtain.

What I claim is:

1. A device of the kind described comprislng two coin chutes, a rotatable shaftin vertical alinement with said chutes and provided with a groove registering with one of the chutes and with a slot registering with the other chute and adapted to` receive respectively coins or checks of dierent sizes, a plunger, means whereby rotation of said shaft will actuate said plunger, a ratchet wheel on said shaft, a rock shaft, a pawl carried by said rock shaft and adapted to engage said ratchet wheel, and means carried by the rock shaft and adapted to be engaged vided With a ping fingers carried by said rock shaft and adapted yto be engaged respectively by checks or coins seated in` the shaft openings, a double pawl adapted to engage opposite sides of said double ratchet, said pawl being mounted on'said rock shaft, a vertically movable rod connected to one of tripping fingers, stops Carried by said rod and adapted to engage said plunger, check actuated means for removing one of said stops from the path of the plunger, and means for returning said stop to normal position after engagement of the other stop by the plunger.v

3. A device-'ofthe kind described comprising two coin chutes, a rotatable shaft in alinementl therewith having coin receiving openings, a reciprocating plunger, rotation of shaft operating said plunger, a double ratchet'on said shaft, a rock shaft, a ldouble pawl on the rock shaft adapted alternately to .engage oppositely arranged teeth on said ratchet, fingers carried by the-rock shaft and the paths of coins in said openings, a vertically movable rod connected to one of said lingers, a. movable stop on said rod normally in the path ofthe plunger, Va second stop on said rod, means actuated by a coin in one of said openings only for swinging'the first mentioned stop out of the path of the plunger, and means for returning said stop to normal position.

4. The combination with a'reciprocating plunger, a rota-table shaft, said plunger having a rack portion thereon, a gear on said shaft engaging said rack` portion, a double ratchet on the shaft, a coin chute, a groove on the shaft in alinement with said chute, a second chute adapted to receive a larger coin than the first mentioned chute, an opening in said shaft adapted to receive and hold thelarger coin, a rock shaft, a double pawl fixed on the rock shaft the members of which alternately engage said double ratchet, tripping fingers fixed on the rock sha-ft and adapted to be tripped respectively by coins held by the shaft upon partial rotation jof the shaft in one direction, a vertically movable lrod pivotally connected to one of the tripping lingers, a plunger stop carried by the upper en d of the rod, a movable stop Vcarried bythe intermediate portions of the rod alever adapted to be engaged by the larger coin only, a rod connectedto said lever means connecting said in l .s meezz rod /With said second mentioned stop for stop to normal position when the plunger swinging the same out of the path of the engages and lifts the rst mentioned stop. l@ plunger on movement of the lever by the In testimony whereof I affix my signature coin, a, claw carried by the tripping finger in the presence of two Witnesses.

engaged by the larger coin and means car- OSCAR D. REDDEN. ried by the last mentioned rod and adapted Witnesses: l

to be engaged by said claw for returning D. T. JANES,

said rod and lever and the second mentioned C. L. MORAN. 

